STK11C88

256 Kbit (32K x 8) SoftStore nvSRAM

Features

25 ns and 45 ns access times

Pin compatible with industry standard SRAMs

Software initiated STORE and RECALL

Automatic RECALL to SRAM on power up

Unlimited Read and Write endurance

Unlimited RECALL cycles

1,000,000 STORE cycles

100 year data retention

Single 5V+10% power supply

Commercial and Industrial Temperatures

28-pin (300 mil and 330 mil) SOIC packages

RoHS compliance

Functional Description

The Cypress STK11C88 is a 256 Kb fast static RAM with a nonvolatile element in each memory cell. The embedded nonvolatile elements incorporate QuantumTraptechnology producing the world’s most reliable nonvolatile memory. The SRAM provides unlimited read and write cycles, while independent, nonvolatile data resides in the highly reliable QuantumTrap cell. Data transfers under Software control from SRAM to the nonvolatile elements (the STORE operation). On power up, data is automatically restored to the SRAM (the RECALL operation) from the nonvolatile memory. RECALL operations are also available under software control.

Logic Block Diagram

Cypress Semiconductor Corporation • 198 Champion Court

San Jose, CA 95134-1709

408-943-2600

Document Number: 001-50591 Rev. **

 

Revised January 29, 2009

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Cypress STK11C88 manual Features, Functional Description, Logic Block Diagram